import tkinter.ttk
import colorsys
class ColorStudy(tkinter.ttk.Frame):
LABEL = dict(width=9, anchor=tkinter.CENTER)
SCALE = dict(orient=tkinter.HORIZONTAL, length=256, from_=0.0, to=1.0)
VALUE = dict(text='0.0', width=5, relief=tkinter.GROOVE)
BYTE = dict(text='00', width=3, relief=tkinter.GROOVE,
anchor=tkinter.CENTER)
PADDING = dict(padx=2, pady=2)
@classmethod
def main(cls):
tkinter.NoDefaultRoot()
root = tkinter.Tk()
root.title('Color Study')
root.resizable(False, False)
view = cls(root)
view.grid(row=0, column=0)
root.mainloop()
def __init__(self, master):
super().__init__(master)
# Create all the widgets.
self.rgb_scales = self.create_rgb_scales()
self.hsv_scales = self.create_hsv_scales()
self.color_area = self.create_color_area()
# Place them on the grid.
self.rgb_scales.grid(row=0, column=0)
self.hsv_scales.grid(row=1, column=0)
self.color_area.grid(row=2, column=0, sticky=tkinter.EW)
def create_rgb_scales(self):
rgb_scales = tkinter.ttk.Labelframe(self, text='RGB Scales')
# Create the inner widget.
self.r_label = tkinter.ttk.Label(rgb_scales, text='Red', **self.LABEL)
self.g_label = tkinter.ttk.Label(rgb_scales, text='Green', **self.LABEL)
self.b_label = tkinter.ttk.Label(rgb_scales, text='Blue', **self.LABEL)
self.r_scale = tkinter.ttk.Scale(rgb_scales, command=self.rgb_updated,
**self.SCALE)
self.g_scale = tkinter.ttk.Scale(rgb_scales, command=self.rgb_updated,
**self.SCALE)
self.b_scale = tkinter.ttk.Scale(rgb_scales, command=self.rgb_updated,
**self.SCALE)
self.r_value = tkinter.ttk.Label(rgb_scales, **self.VALUE)
self.g_value = tkinter.ttk.Label(rgb_scales, **self.VALUE)
self.b_value = tkinter.ttk.Label(rgb_scales, **self.VALUE)
self.r_byte = tkinter.ttk.Label(rgb_scales, **self.BYTE)
self.g_byte = tkinter.ttk.Label(rgb_scales, **self.BYTE)
self.b_byte = tkinter.ttk.Label(rgb_scales, **self.BYTE)
# Place widgets on grid.
self.r_label.grid(row=0, column=0, **self.PADDING)
self.g_label.grid(row=1, column=0, **self.PADDING)
self.b_label.grid(row=2, column=0, **self.PADDING)
self.r_scale.grid(row=0, column=1, **self.PADDING)
self.g_scale.grid(row=1, column=1, **self.PADDING)
self.b_scale.grid(row=2, column=1, **self.PADDING)
self.r_value.grid(row=0, column=2, **self.PADDING)
self.g_value.grid(row=1, column=2, **self.PADDING)
self.b_value.grid(row=2, column=2, **self.PADDING)
self.r_byte.grid(row=0, column=3, **self.PADDING)
self.g_byte.grid(row=1, column=3, **self.PADDING)
self.b_byte.grid(row=2, column=3, **self.PADDING)
# Return the label frame.
return rgb_scales
def create_hsv_scales(self):
hsv_scales = tkinter.ttk.Labelframe(self, text='HSV Scales')
# Create the inner widget.
self.h_label = tkinter.ttk.Label(hsv_scales, text='Hue', **self.LABEL)
self.s_label = tkinter.ttk.Label(hsv_scales, text='Saturation',
**self.LABEL)
self.v_label = tkinter.ttk.Label(hsv_scales, text='Value', **self.LABEL)
self.h_scale = tkinter.ttk.Scale(hsv_scales, command=self.hsv_updated,
**self.SCALE)
self.s_scale = tkinter.ttk.Scale(hsv_scales, command=self.hsv_updated,
**self.SCALE)
self.v_scale = tkinter.ttk.Scale(hsv_scales, command=self.hsv_updated,
**self.SCALE)
self.h_value = tkinter.ttk.Label(hsv_scales, **self.VALUE)
self.s_value = tkinter.ttk.Label(hsv_scales, **self.VALUE)
self.v_value = tkinter.ttk.Label(hsv_scales, **self.VALUE)
self.h_byte = tkinter.ttk.Label(hsv_scales, **self.BYTE)
self.s_byte = tkinter.ttk.Label(hsv_scales, **self.BYTE)
self.v_byte = tkinter.ttk.Label(hsv_scales, **self.BYTE)
# Place widgets on grid.
self.h_label.grid(row=0, column=0, **self.PADDING)
self.s_label.grid(row=1, column=0, **self.PADDING)
self.v_label.grid(row=2, column=0, **self.PADDING)
self.h_scale.grid(row=0, column=1, **self.PADDING)
self.s_scale.grid(row=1, column=1, **self.PADDING)
self.v_scale.grid(row=2, column=1, **self.PADDING)
self.h_value.grid(row=0, column=2, **self.PADDING)
self.s_value.grid(row=1, column=2, **self.PADDING)
self.v_value.grid(row=2, column=2, **self.PADDING)
self.h_byte.grid(row=0, column=3, **self.PADDING)
self.s_byte.grid(row=1, column=3, **self.PADDING)
self.v_byte.grid(row=2, column=3, **self.PADDING)
# Return the label frame.
return hsv_scales
def create_color_area(self):
color_area = tkinter.ttk.Labelframe(self, text='Color Sample')
self.canvas = tkinter.Canvas(color_area, height=70,
background='#000000')
self.canvas.grid(row=0, column=0)
return color_area
def rgb_updated(self, value):
r = self.r_scale['value']
g = self.g_scale['value']
b = self.b_scale['value']
self.update_rgb(r, g, b)
h, s, v = colorsys.rgb_to_hsv(r, g, b)
self.update_hsv(h, s, v)
self.update_color_area()
def hsv_updated(self, value):
h = self.h_scale['value']
s = self.s_scale['value']
v = self.v_scale['value']
self.update_hsv(h, s, v)
r, g, b = colorsys.hsv_to_rgb(h, s, v)
self.update_rgb(r, g, b)
self.update_color_area()
def update_rgb(self, r, g, b):
self.r_scale['value'] = r
self.g_scale['value'] = g
self.b_scale['value'] = b
self.r_value['text'] = str(r)[:5]
self.g_value['text'] = str(g)[:5]
self.b_value['text'] = str(b)[:5]
self.r_byte['text'] = '{:02X}'.format(round(r * 255))
self.g_byte['text'] = '{:02X}'.format(round(g * 255))
self.b_byte['text'] = '{:02X}'.format(round(b * 255))
def update_hsv(self, h, s, v):
self.h_scale['value'] = h
self.s_scale['value'] = s
self.v_scale['value'] = v
self.h_value['text'] = str(h)[:5]
self.s_value['text'] = str(s)[:5]
self.v_value['text'] = str(v)[:5]
self.h_byte['text'] = '{:02X}'.format(round(h * 255))
self.s_byte['text'] = '{:02X}'.format(round(s * 255))
self.v_byte['text'] = '{:02X}'.format(round(v * 255))
def update_color_area(self):
color = '#{}{}{}'.format(self.r_byte['text'],
self.g_byte['text'],
self.b_byte['text'])
self.canvas['background'] = color
if __name__ == '__main__':
ColorStudy.main()
